Arc-Shaped Alumina Ceramic Crucible High Temperature Resistant for Engineering Advanced Fine Ceramics

Introduction

The arc-shaped alumina ceramic crucible is renowned for its high-temperature resistance and durability, primarily used in industrial applications for melting and processing metals like stainless steel and nickel alloys. Made from high-purity aluminum oxide (Al2O3 > 99%), this crucible exhibits excellent thermal conductivity and shock resistance, capable of withstanding temperatures up to 1800°C for short-term use. Its robust acid and alkali resistance makes it ideal for handling various chemical compounds, excluding alkaline substances and hydrofluoric acid. Despite its high cost, the crucible's superior mechanical strength and insulation properties make it a preferred choice in high-temperature industrial processes.

Applications

Arc-shaped alumina ceramic crucibles are highly specialized containers designed for high-temperature applications, particularly in environments where resistance to thermal shock and chemical inertness are critical. These crucibles are ideal for a variety of industrial and laboratory processes where maintaining the integrity of the sample or material is paramount.

• Metallurgical Industry: Used for melting and alloying metals, especially in the production of stainless steel and nickel alloys.
• Ceramic Manufacturing: Suitable for high-temperature sintering and firing of ceramic materials.
• Chemical Processing: Employed in reactions involving acidic substances, such as K2S2O7, where resistance to corrosion is necessary.
• Research and Development: Used in laboratories for experiments requiring high-temperature stability and inertness to various atmospheres.
• Glass Industry: Can be used in the production of specialty glasses that require high-temperature processing.
• Refractory Applications: Used in environments where high-temperature insulation properties and mechanical strength are required.

These crucibles are particularly noted for their ability to operate in both oxidizing and reducing atmospheres up to temperatures of 1750°C, making them versatile tools in high-temperature applications.

Features

Alumina ceramic crucibles are renowned for their exceptional high-temperature resistance and chemical stability, making them ideal for various high-temperature applications in laboratory and industrial settings. These crucibles offer several key benefits that enhance their utility and efficiency in handling demanding processes.

• Metallurgical Industry: Used for melting and alloying metals, especially in the production of stainless steel and nickel alloys.
• Ceramic Manufacturing: Suitable for high-temperature sintering and firing of ceramic materials.
• Chemical Processing: Employed in reactions involving acidic substances, such as K2S2O7, where resistance to corrosion is necessary.
• Research and Development: Used in laboratories for experiments requiring high-temperature stability and inertness to various atmospheres.
• Glass Industry: Can be used in the production of specialty glasses that require high-temperature processing.
• Refractory Applications: Used in environments where high-temperature insulation properties and mechanical strength are required.

These features collectively make the arc-shaped alumina ceramic crucible a robust and reliable choice for high-temperature applications, particularly in industries and laboratories where precision and material purity are critical.

Details & Parts

Regular

Thickened and heightened

Funnel type

With window

Technical specifications

Ordinary：

Thickened/heightened：

Advantages

• Exceptional High-Temperature Performance: The 85% alumina ceramic crucible can operate under a reduction-oxidation atmosphere at temperatures ranging from 1290℃ to 1350℃, showcasing its superior high-temperature insulation properties and mechanical strength. This makes it ideal for long-term use in stable environments with minimal temperature fluctuations.
• Superior Thermal Conductivity and Low Thermal Expansion: With a large thermal conductivity and low thermal expansion, this crucible ensures efficient heat distribution and minimal risk of thermal shock, enhancing its durability and reliability in high-temperature applications.
• High Purity and Chemical Resistance: The crucible boasts an Al2O3 content greater than 99%, providing excellent chemical resistance and stability against acid and alkali erosion, making it suitable for handling a wide range of reactive materials.
• Resistance to Rapid Heat and Cold: The alumina ceramic material is designed to withstand rapid temperature changes without cracking or bursting, ensuring safety and longevity even under fluctuating thermal conditions.
• Long-Term and Short-Term Temperature Tolerance: Capable of long-term use at 1600℃ and short-term use up to 1800℃, this crucible is versatile and can handle extreme temperature demands, making it a robust choice for various high-temperature processes.
• Anti-Oxidation Treatment: Special anti-oxidation treatments extend the crucible's service life by protecting it from oxidative degradation, ensuring consistent performance over extended periods.
• Special Technology for Enhanced Durability: The use of special production technologies results in high bulk density and low porosity, which resist the erosion of molten aluminum and its gas particles, maintaining the crucible's integrity and effectiveness.

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